No reads, villain lost some chips by calling some hands preflop and folding postflop. His cold call 3bet range should be 1010+. Prolly better to check behind and give up if villain bets and proceed w caution if a K or A turns/rivers.

Poker Stars $20+$2 No Limit Hold'em Tournament – t15/t30 Blinds – 8 players
TournamentPokerEdge.com Hand History Converter

BriNkS DuDe (BB): t2960 98.67 BBs
bluntman82 (UTG): t3000 100 BBs
frogaN (UTG+1): t3000 100 BBs
Siewas (MP1): t3145 104.83 BBs
Hero (MP2): t2970 99 BBs
t_dwan07 (CO): t2875 95.83 BBs
zako333 (BTN): t6320 210.67 BBs
Ghras (SB): t2630 87.67 BBs

Pre Flop: (t45) Hero is MP2 with K A
2 folds, Siewas raises to t90, Hero raises to t270, 2 folds, Ghras calls t255, 2 folds

Flop: (t660) Q 7 6 (2 players)
Ghras checks, Hero bets t390, Ghras raises to t1080, Hero folds